History: A 24-year-old male presented to the hospital with a cough productive of reddish sputum and shortness of breath of 6 days duration. The exam showed a left testicular mass. What’s the finding in the chest x-ray?
Answer: Cannonball metastases refer to multiple large, well-circumscribed, round pulmonary metastases. The primary tumors for these lesions can be remembered with the help of this mnemonic:
CRESP
Mnemonic
C: choriocarcinoma
R: renal cell carcinoma
E: endometrial carcinoma
S: synovial sarcoma
P: prostate carcinoma